Head scraping techniques can be from the top of the head down, single direction scraping, force should be uniform, strength from light to heavy, in order to feel mild pain is appropriate, can not force too hard. Gua Sha is through the scraping apparatus on the skin meridian stimulation, so as to play the role of dredging meridians, line qi and blood. Apparatus is generally scraping Gua Sha board, scraping on the head should be selected with smooth edge, not easy to damage the skin scraping board. Manipulation can be from the top of the head down, single direction scraping, force should be uniform, strength from light to heavy, in order to feel mild pain as appropriate, not too hard. The head scraping need to pay attention to, have serious heart disease, liver and kidney insufficiency, generalized swelling, extreme weakness, and thrombocytopenic disease, allergic purpura, leukemia and other bleeding tendency of the patient is not suitable for scraping. If the skin on the head has ulcers, trauma, etc., it is also not suitable for scraping. If necessary, it is recommended to go to a regular hospital and receive treatment from a professional physician, and not to operate on your own to avoid adverse consequences.